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44792 Commits

Author SHA1 Message Date
Dan Gohman 3b18fd7b02 Teach InlineFunction how to differentiate between multiple-value 
return statements and aggregate returns so that it handles both
correctly.

llvm-svn: 52519
 2008-06-20 01:03:44 +00:00
Evan Cheng 9598f930f3 Disable PRE for now. It seems to be breaking llvm-gcc bootstrapping. 
llvm-svn: 52518
 2008-06-20 01:01:07 +00:00
Dan Gohman 44b2c57e2b Fix the index calculations for the extractvalue lowering code. 
llvm-svn: 52517
 2008-06-20 00:54:19 +00:00
Dan Gohman c7a32fc8ca Simplify the ComputeLinearIndex logic and fix a few bugs. 
llvm-svn: 52516
 2008-06-20 00:53:00 +00:00
Dan Gohman e8512ffba6 It's invalid to take the one-past-the-end address of a non-array 
object.

llvm-svn: 52515
 2008-06-20 00:49:21 +00:00
Dan Gohman d87e813e41 Simplify this code. Thanks Chris! 
llvm-svn: 52514
 2008-06-20 00:47:44 +00:00
Ted Kremenek e562289a0f Updated latest static analysis build. 
llvm-svn: 52512
 2008-06-19 23:20:00 +00:00
Ted Kremenek 940a738e77 Add DTD information. 
llvm-svn: 52511
 2008-06-19 23:14:24 +00:00
Evan Cheng be0429c558 ISD::UNDEF should be expanded recursively / iteratively. 
llvm-svn: 52508
 2008-06-19 22:01:11 +00:00
Mike Stump d7667bd8e0 Remove tabs. 
llvm-svn: 52507
 2008-06-19 20:57:50 +00:00
Owen Anderson e780d66657 Add a hidden -disable-pre flag for testing purposes. This should be removed 
once benchmarking is completed.

llvm-svn: 52506
 2008-06-19 19:57:25 +00:00
Owen Anderson fdf9f168b5 PRE requires that critical edges be split. 
llvm-svn: 52505
 2008-06-19 19:54:19 +00:00
Mike Stump 65643c6480 One more test checkin. 
Remove an extra space at the end of a line.

llvm-svn: 52504
 2008-06-19 19:52:46 +00:00
Mike Stump 01e07653d4 Test commit to see if new account works. 
I choose to remove extraneous whitespace at end of lines as a semantic
nop for the test.

llvm-svn: 52503
 2008-06-19 19:28:49 +00:00
Bill Wendling cd6fb1d0a8 Remove dead code causing a warning. 
llvm-svn: 52502
 2008-06-19 18:00:44 +00:00
Ted Kremenek 46c82ab994 Introduce initial transfer function support for __imag__ and __real__. We don't 
have complex RValues yet, so this logic is only fully implemented when __imag__
and __real__ are used on non-complex types.

llvm-svn: 52501
 2008-06-19 17:55:38 +00:00
Dan Gohman d6530872f3 Use the common API for adding instructions to basic blocks instead of 
using BasicBlock::getInstList.

llvm-svn: 52500
 2008-06-19 17:53:32 +00:00
Owen Anderson ff21db851d Be sure to remove values from the value numbering table after we delete them. 
This fixes a failure on povray.

llvm-svn: 52499
 2008-06-19 17:53:26 +00:00
Dan Gohman ed2250990a Use Instruction::moveBefore instead of manipulating the instruction list 
directly.

llvm-svn: 52498
 2008-06-19 17:47:47 +00:00
Dan Gohman 9eea470fcf Avoid using BasicBlock::getInstList directly in a few places. 
llvm-svn: 52497
 2008-06-19 17:37:25 +00:00
Owen Anderson 45d3701fce Revert support for insertvalue and extractvalue instructions for the moment. 
GVN expects that all inputs which to an instruction fall somewhere in the value
hierarchy, which isn't true for these.

llvm-svn: 52496
 2008-06-19 17:25:39 +00:00
Dan Gohman 6f880690b8 Use the transferSuccessors helper function. 
llvm-svn: 52495
 2008-06-19 17:22:29 +00:00
Dan Gohman 68f539e807 Delete dead code. 
llvm-svn: 52494
 2008-06-19 17:18:39 +00:00
Owen Anderson eb31adeba4 Add an idx_iterator to the insertvalue and extractvalue instructions. 
llvm-svn: 52493
 2008-06-19 17:15:57 +00:00
Dan Gohman 386c2f616f The inline keyword goes before the return type. This fixes a compiler warning. 
llvm-svn: 52492
 2008-06-19 16:16:06 +00:00
Matthijs Kooijman a087b73dba Modify some ipconstprop tests to also test with invokes. 
llvm-svn: 52491
 2008-06-19 09:27:44 +00:00
Matthijs Kooijman 0c71732497 Use a CallSite to find the nth argument of a call/invoke instruction instead of 
using getOperand() directly. This makes things work with invoke instructions as
well.

llvm-svn: 52489
 2008-06-19 08:53:24 +00:00
Duncan Sands db356eea26 Fix some warnings reported by gcc-4.3. Hopefully 
this still compiles on windows - I can't test!

llvm-svn: 52488
 2008-06-19 08:47:31 +00:00
Evan Cheng 849fa11f15 Missed a check. 
llvm-svn: 52487
 2008-06-19 06:17:19 +00:00
Eli Friedman 8d66e98c92 Fix a bug with <8 x i16> shuffle lowering on X86 where parts of the 
shuffle could be skipped.  The check is invalid because the loop index i 
doesn't correspond to the element actually inserted. The correct check is
already done a few lines earlier, for whether the element is already in 
the right spot, so this shouldn't have any effect on the codegen for 
code that was already correct.

llvm-svn: 52486
 2008-06-19 06:09:51 +00:00
Owen Anderson 3c4ccc830e Revert my last patch, which was causing regression test failures. 
llvm-svn: 52485
 2008-06-19 05:29:34 +00:00
Evan Cheng b139ee95b4 New test case. 
llvm-svn: 52483
 2008-06-19 01:50:24 +00:00
Evan Cheng d6d9cfa72a This also got better (55 - 51 instructions). But doing one more re-materialization. 
llvm-svn: 52482
 2008-06-19 01:50:13 +00:00
Evan Cheng 1d1907d778 This got better. 
llvm-svn: 52481
 2008-06-19 01:46:43 +00:00
Evan Cheng 0c8ef553f5 Coalesce copy from one register class to a sub register class. e.g. X86::MOV16to16_. 
llvm-svn: 52480
 2008-06-19 01:39:21 +00:00
Evan Cheng 18e46d455b Cosmetic changes. 
llvm-svn: 52479
 2008-06-19 01:21:26 +00:00
Evan Cheng 2dbba985d5 Unneeded include's. 
llvm-svn: 52478
 2008-06-19 01:21:02 +00:00
Evan Cheng 55bc848640 Minor spiller tweak to unfavor reload into load/store instructions. 
llvm-svn: 52477
 2008-06-19 01:16:17 +00:00
Owen Anderson 80ef880b98 Insert empty slots into the instruction numbering in live intervals, so that we can more easily 
add new instructions.

llvm-svn: 52475
 2008-06-19 00:10:49 +00:00
Owen Anderson 83c6a9d7c1 Remove this test until the corresponding patch is reapplied because it's causing make check to crash for some people. 
llvm-svn: 52473
 2008-06-18 22:37:31 +00:00
Owen Anderson 3ea800fbad Add support for extractvalue and insertvalue instructions in GVN. 
llvm-svn: 52472
 2008-06-18 21:59:00 +00:00
Owen Anderson 6a903bc601 Add local PRE to GVN. This only operates in cases where it would not increase code size, namely when the instantiated expression 
would only need to be created in one predecessor.

llvm-svn: 52471
 2008-06-18 21:41:49 +00:00
Bill Wendling 573e0fd68b Refactor the way to get a string containing the features of the target. 
llvm-svn: 52470
 2008-06-18 21:39:02 +00:00
Argyrios Kyrtzidis 55a8524241 Fix the source line debug information for the Windows platform. 
According to DWARF-2 specification, the line information is provided through an offset in the .debug_line section.
Replace the label reference that is used with a section offset.

llvm-svn: 52468
 2008-06-18 19:27:37 +00:00
Dan Gohman 08783a88a2 Fix a missing comma spotted by Bram Geron. 
llvm-svn: 52467
 2008-06-18 18:42:13 +00:00
Chris Lattner 78119b4742 Fix the regressions on sext-misc.ll my patch yesterday caused. 
llvm-svn: 52466
 2008-06-18 18:11:55 +00:00
Owen Anderson 9094cc957e Revert r52459, which was causing an infinite loop or massive slowdown on MultiSource/Applications/SPASS, and possibly others as well. 
Please reapply once this is fixed.

llvm-svn: 52465
 2008-06-18 17:32:16 +00:00
Dan Gohman 095ca74a7f Move SCEVExpander::visitAddExpr out-of-line. 
llvm-svn: 52464
 2008-06-18 16:37:11 +00:00
Dan Gohman be928e3b21 Move LSR's private isZero function to a public SCEV member 
function, and make use of it in several places.

llvm-svn: 52463
 2008-06-18 16:23:07 +00:00
Gabor Greif 687f35f466 fix validator warning 
llvm-svn: 52461
 2008-06-18 14:05:31 +00:00